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Summary: Ctors | Methods | Inherited Methods

# RegistrationManager.RegistrationCallback

`public static class RegistrationManager.RegistrationCallback`
`extends Object` ``

java.lang.Object
↳ | android.telephony.ims.RegistrationManager.RegistrationCallback

Callback class for receiving IMS network Registration callback events.

See also:

- `RegistrationManager.registerImsRegistrationCallback(Executor, RegistrationCallback)`
- `RegistrationManager.unregisterImsRegistrationCallback(RegistrationCallback)`

## Summary

### Public constructors
`RegistrationCallback()`

### Public methods
`void` | `onRegistered(int imsTransportType)` Notifies the framework when the IMS Provider is registered to the IMS network.
`void` | `onRegistering(int imsTransportType)` Notifies the framework when the IMS Provider is trying to register the IMS network.
`void` | `onTechnologyChangeFailed(int imsTransportType, ImsReasonInfo info)` A failure has occurred when trying to handover registration to another technology type.
`void` | `onUnregistered(ImsReasonInfo info)` Notifies the framework when the IMS Provider is unregistered from the IMS network.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public constructors

### RegistrationCallback

    public RegistrationCallback ()

## Public methods

### onRegistered

    public void onRegistered (int imsTransportType)

Notifies the framework when the IMS Provider is registered to the IMS network.

Parameters
`imsTransportType` | `int`: the radio access technology. Value is android.telephony.AccessNetworkConstants.TRANSPORT_TYPE_INVALID, `AccessNetworkConstants.TRANSPORT_TYPE_WWAN`, or `AccessNetworkConstants.TRANSPORT_TYPE_WLAN`

### onRegistering

    public void onRegistering (int imsTransportType)

Notifies the framework when the IMS Provider is trying to register the IMS network.

Parameters
`imsTransportType` | `int`: the radio access technology. Value is android.telephony.AccessNetworkConstants.TRANSPORT_TYPE_INVALID, `AccessNetworkConstants.TRANSPORT_TYPE_WWAN`, or `AccessNetworkConstants.TRANSPORT_TYPE_WLAN`

### onTechnologyChangeFailed

    public void onTechnologyChangeFailed (int imsTransportType,
                    ImsReasonInfo info)

A failure has occurred when trying to handover registration to another technology type.

Parameters
`imsTransportType` | `int`: The transport type that has failed to handover registration to. Value is android.telephony.AccessNetworkConstants.TRANSPORT_TYPE_INVALID, `AccessNetworkConstants.TRANSPORT_TYPE_WWAN`, or `AccessNetworkConstants.TRANSPORT_TYPE_WLAN`
`info` | `ImsReasonInfo`: A `ImsReasonInfo` that identifies the reason for failure. This value cannot be `null`.

### onUnregistered

    public void onUnregistered (ImsReasonInfo info)

Notifies the framework when the IMS Provider is unregistered from the IMS network.

Parameters
`info` | `ImsReasonInfo`: the `ImsReasonInfo` associated with why registration was disconnected. This value cannot be `null`.

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